Conveyer-belt.



No. 869.935. PATNTED NOV. 5, 1907. G. G. PLUMMER.

CONVEYER BELT. APPLIUATION FILED APR. 1o. 1907.

11111,. will A 1 0 such as gra-in, sand, stone, coal, wood, bark, etc.,belts In the drawings;

` UNITED .-sTATEs 13A-@Essonnes Le-sones' o. PLU-Munn, or PHILADELPHIA,rumeni/ANIA,-.issieNoR' To M.A;IN.. BESLT1NG ooiuauw,ojEPHILADELPHIA,PnNNsYLVANIA.,1A,ooRPoRA'rIoN0FIENlisifLvAIilA;i`

@Ciminna-BELT.

No.869,935: Specification of Letters Patent, Patented Nov. 5; 1907,.'Animation mea apri: 1o. lsoaserial Nc. 367.306., .j l'o all :whom t'mqyconcern: .I

B eit ,known'that I, Gannon C. PLUMMER, a citizen belt 'of ofrthe UnitedStates, 'residing at Philadelphia, `county this belt I attach a weari ofPhiladelphia, and State of Pennsylvania, have inorother material. Thisvented a new and useful Improvement in Conveyer- Vone, or a plurality oBelts, of which the following is a full, clear, and exact rangement- Iobtain a belt -hav` description, .reference being had to theaccompanying capable of resisting abrasion and having a"flexib'l`eabody. drawings, which form a part of this specification` i l Forthe purpose of carrying or conveying materials shown in the accompanying drawings; Figure I is atransversefsection of a: 'Y are oftenused. In'oider'to properly hold the mate-, belt embodying myinven'tion.-4 2 'isatiansverse'e rials, the belts are often curved or,.what is termed section ofanother-be'lt embodying mfyfinvention. Fig. itroughed. This troughing may be produced by 3 is a transversegsectioi ofanother'belt in,v guides which travel with the belt, or, may beproinvention. `Fig.l 4 is 'a transverse section' of another 65- duced byinclined or eoncaved rollers over which the belt embodyingnly inventionlI' belt passes, In all the drawings, a is thel solid woven belt andb, Inall cases the desideratum for troughing is alflexible is the duck orcanvas and c is stitching shown for securbelt, with a wearing .siufaceof such character as to ing the 'ducl and solid wovenbelt together.- vresist abrasion. "For this purpose rubber, stitched l lfnFig. l the'wearing duck surfacebfis of uu'rforni '7 canvas, leather', and wovenbelts have been used. thickness over the Width of the-'belt a an Therubber belt is not wholly effective in that when of duck are shown,although the rubber gives way from wear, the belt quickly goes lessernumber maybe used. to pieces. Leather belts are-too expensive and,niorel The construction ofFg. 2 is 'similar to that of Fig.1, over, areunable to resist much of thewearand tear of except that the top layerpf.duck b'is brought around 75 conveying. A'Stitched canvas belts do nothave the rethe edges of the solid woven' belt a. gives a. sur vquiredflexibility' when designed for heavy loads.A face of wear resisting u i'Solid woven belts have flexibility to the desired belt -ext'ent bugtheyare weak in that their Working suriaces at point. are easily cut away sovthat under the abrasion of the i The construction of Fig. Sdiifers fromFig. 2in that 80 materials. carried, they soon Wear out. Attempts have'two layers ofduck b are 'used over the whole facer of the been made toreinforce such belts with a rubber carry; i solid Woven belt aand anextra layer of duck b is aping face. This has been found inefficient asthe rubber l soon" cracksor peels off, exposing the Woven body ofsirable n that in con the belting' which is soon cut away-,thebelt'thenwear- 'belt supports the major portion of the load andcon 85,135 ing out as the ordinary solid woven belt do'es. seque'ntly with aheavy loadlit'lnay sometimes be de- The object Q i my invention is toproduce a belt. in sirable to' provide here 'a v In'aximm vvearresisting which the feat'iu'e of the solid woven belt, of flexiualit f.It is also sometimes desirable to: roteetthe q l P bility to the highestextent and. capacity for trougliing, under face oi the solid wovenlbeltwhere it I nay abiade is laken advantage of, whi'lei ts delcctsareremoved. or rubagainst the carryingrollers- I therefore, asshown 90 40 Asolid wovenA belt is al well known article. of iii 3, placca strip oftinck b, on the lower face of the I manufacture comprised oi a pluralityof plies or layers solid woven belt, at this point, for this purpose.

of warp and weft threads woven and interbouud tolhe construction of Fig;4 differs from Fig. 3 in that i 'gethciz the two upper layers of duck` bare-brought around the My invention consists-in a bolt, the body ofwhich is edges of the wovenbelt a. l 95 l5 formed-of a solid Woven bolt,and the carryiugsur- As I have` stated, instead of stitches I dan userivets face of which is formed of canvas or duck secured to l or staplesor frictioning to secure the layers oi-duck said "solid wovcnbelt. Asingle loyer ora plurality together' and to thesolid woven belg-theparticular o f layers of canvas or duck may be used -and it may be meansused'to secure`the layers of duck together and fo secured to the wovenbelt by stitching or by rivets or 0 staples, or by ffrictioningl asrubber belts are put. to-

tion. I can also, if desired, impregnate my belt with gether.

any material now Vused withother belts. I may also 'l' To produce 'myimproved belt, l tairea solid woven Y wearing surface may. beof'" thesolid Woven belt not boing essential to my-inven- Having" now clescribedmy invention,- what I claim andv desire to: prbectiby Lei! ersPatent is: A V' Alil-Aeonveyer beit*- comprising a. soiiiriwoven' body,having-secured to tbefacetberedt one or more layersf'f u. wen;-resist'i'ng, fabric constructed ofnnimal qrvegetablegbers. 2. A beitcomprising a slidfwoijen-boiyhaving secured to the .tace thcrc'fone ormorsgggg ji'l duck.'

`3. A conveyer belt comprisinga ls o'lid woven body, having scoured' to,ille faces thereof one or more layers o fa" n wear resisting fabriccontlinetedof animalor vegetable li. A conveyer beit conisri'sig @solidwoven body, hav

jing secured .to-its edges amar resisting fabric.

I A convey-'einheit comprisin'g a'soiid woven body, havtling securedtoits edges' one or more Layers of duck.

v 7. A` conve-yer beit coniprising'ss-oiid woven fabric, harving securedto the central portion o'if'its face aiplurality of 'isyers 'of wearresisting fabric', -and a lesser number of iajersjzhroughout theremainder ofvtixeface.

$.A- conveyer 'belt comprisin'g a solid woven fabric, havingfeec'uredto' the central portion of its tace a plurality of '.f'layersof duck,and a `lesser number of layers throughout -the'remainder of the face.

3., A conv'eyer beit comprising a solid woven fabric, having' secured to'the portion of the tace wdapted`to travel .oer the idiersonoor morelayers of wear resisting fabric.

10..'A .conveyerbelt comprising solidl woveniabric,

' overvthe idlers uuepr more layers of duck.

"11. A couvcyeribclt comprising a solid woven fabric, havingon one falceone or more layers of wear resisting fsb'ricfand on `.the other face,:it the portion adapted to trivel`against the idlers, one of more layersof wear resistlng lubricl,

12. A.conyeyer belt comprising a solid woven fabric, having on o ne taceone or more layers of duck, and on the other tace,V at the portionadapted to travel against the idlers, one or .m'ore lnyerst duck.

In testimonyot rv'hich invention, I have hereunto set my hand, Aai:Philmielphia.' on this 5th.day of April, 1907.

` GEORGE C. PLUMMER.

Witnesses IM, M. HAMrL'roN, .A M- UBI-Ar..

A* having secured toltbe portion of the face adapted to travel

